{"product_id":"shimano-di2-bt-dn300-internal-battery","title":"Shimano Di2 BT-DN300 Internal Battery","description":"\u003cp\u003e\u003cstrong\u003eSpecial order.\u003c\/strong\u003e Contact Mad Duck Cyclery for supplier availability and estimated delivery.\u003c\/p\u003e\u003cp\u003eInternal rechargeable battery with three SD300 ports for compatible Shimano 12-speed road Di2 systems, including Ultegra and 105. Frame mounting hardware, EW-SD300 wires, and charging cable are sold separately.\u003c\/p\u003e\u003cp\u003eManufacturer images are representative; selected size, side, or gearing may differ visually.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/productinfo.shimano.com\/en\/product\/BT-DN300\"\u003eShimano specifications\u003c\/a\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Internal Battery","offer_id":46202551599187,"sku":"IBTDN3002","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5691\/9379\/files\/shimano-bt-dn300-main.jpg?v=1788952996","url":"https:\/\/madducksports.com\/products\/shimano-di2-bt-dn300-internal-battery","provider":"Mad Duck Cyclery","version":"1.0","type":"link"}